Hi all. My laptop came up with an irritating problem. Windows XP
DEP came up with a warning to end the window explore like this:

No idea how this happen and I hope to get help from anyone out
there. If I am to restart my lappy, I won't be able to use my
wireless function even when my modem has connected to the internet
until this error shows up. After I close the error message, I won't
be able to minimise some of the windows just by clicking on its tab
on the toolbar. Programs that minimises to the tray icon will not
show up at the tray after I minimise them, and this includes the
windows task manager. Please do offer any help or advice, thanks a
lot!!!